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UPD72870AGM-8ED fiches techniques PDF

NEC - IEEE1394 1-CHIP OHCI HOST CONTROLLER

Numéro de référence UPD72870AGM-8ED
Description IEEE1394 1-CHIP OHCI HOST CONTROLLER
Fabricant NEC 
Logo NEC 





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UPD72870AGM-8ED fiche technique
PRELIMINARY DATA SHEET
MOS INTEGRATED CIRCUIT
µPD72870A
IEEE1394 1-CHIP OHCI HOST CONTROLLER
The µPD72870A is the LSI which integrated OHCI-Link and PHY function into a single chip.
The µPD72870A complies with the P1394a draft 2.0 specifications and the OpenHCI IEEE1394 1.0, and works up
to 400 Mbps.
It makes design so compact for PC and PC card application.
FEATURES
• Compliant with Link Layer Services as defined in 1394 Open Host Controller Interface specification release 1.0
• Compliant with Physical Layer Services as defined in P1394a draft 2.0 (Data Rate 100/200/400 Mbps)
• Numbers of supported port (1, 2, 3 ports) are selectable
• Compliant with protocol enhancement as defined in P1394a draft 2.0
• Modular 32-bit host interface compliant to PCI Specification release 2.1
• Support PCI-Bus Power Management Interface Specification release 1.0
• Modular 32-bit host interface compliant to Card Bus Specification
• Cycle Master and Isochronous Resource Manager capable
• Built-in FIFOs for isochronous transmit (1024 bytes), asynchronous transmit (1024 bytes), and receive (2048
bytes)
• 32-bit CRC generation and checking for receive/transmit packets
• 4 isochronous transmit DMAs and 4 isochronous receive DMAs supported
• 32-bit DMA channels for physical memory read/write
• Clock generation by 24.576 MHz X’tal
• Internal control and operational registers direct-mapped to PCI configuration space
• 2-wire Serial EEPROMTM interface supported
• Separate power supply Link and PHY
• Programmable latency timer from serial EEPROM in Cardbus mode (CARD_ON = 1)
ORDERING INFORMATION
Part number
µPD72870AGM-8ED
µPD72870AF1-FA2
Package
160-pin plastic LQFP (Fine pitch) (24 x 24)
192-pin plastic FBGA (14 x 14)
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. S14653EJ1V0DS00 (1st edition)
Date Published January 2000 NS CP (K)
Printed in Japan
2000

PagesPages 30
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